20484230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157571}}^1$

素因数の和:157591

約数の個数: 16

約数和(自身を含む): 39708144

約数和(自身を除く): 19223914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157571, 315142, 787855, 1575710, 2048423, 4096846, 10242115, 20484230]

約数ペア:

[(1, 20484230), (2, 10242115), (5, 4096846), (10, 2048423), (13, 1575710), (26, 787855), (65, 315142), (130, 157571)]